> Manfred Spraul <manfred@colorfullife.com> wrote:
> >
> > You mentioned that the last detach_pid() within __unhash_process oopsed. That means the reference count of the task structure was off by one, and the
> > put_task_struct(pid->task)
> > within
> > detach_pid(p,PIDTYPE_PGID);
> > freed the task structure.
> >
>
> Might be related to http://bugme.osdl.org/show_bug.cgi?id=482
> in which someone did put_task_struct() on an already-freed task_struct.
>
> And that was a uniprocessor without pgcl gunk.
>
> It is not known whether preemption was enabled?
CONFIG_PREEMPT=y on 3way P133
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